Casaleiro, João Carlos Ferreira de Almeida
Quadrature RC−Oscillators: The van der Pol approach
Springer Cham, 2019
 eBooks
Deshang Sha
High-Frequency Isolated Bidirectional Dual Active Bridge DC–DC Converters with Wide Voltage Gain
Springer Singapore, 2019
 eBooks
Distributed software engineering
by C. W. Loftus [and others]
Prentice-Hall, 1995
 Buku Teks SO
Bishop, Owen Neville
Digital electronics projects for brginners / Owen Bishop
PC Publishing, 1990
 Buku Teks
Silvester, P.P.
Computer engineering: circuits, programs, and data
Oxford University Press, 1989
 Buku Teks SO